Watch band



FIG. 1 is a front and top perspective view of a watch band in accordance with the present design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof.

The broken lines shown in the drawings illustrate environment and form no part of the claimed design. 

CLAIM The ornamental design for a watch band, as shown and described. 